THIS IS URGENT If a solution is identified by its physical property of being acidic, it can be neutralized by adding

A. A stronger acidic.
B. Heat
C. A base
D. A weaker acid

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

the answer is na (sodium)